Newsweek discussed the viral May 19 Reddit post—which has garnered 60,000 upvotes—with dermatologist Dr. Sophie Momen.

And then, one day, as you walked past the mirror... surprise! A white hair. Then another. And another. You haven't even reached your thirties and your hair is already starting to turn gray?

A strand of hair can appear gray when it contains a decreased amount of a pigment called melanin, and it can look white if there is no pigment at all. Gray hair occurs with normal aging because ...

Once across the age of 50, one will be hard-pressed to successfully disguise one’s white hair without paying monthly visits to a hairdresser. However, medical reports suggest the process of hair ...